Update README.md
Merge pull request #199 from colorant/mutation_join

Fix a bug in MutationState.join for DeleteStatement
fix javadoc warnings
Remove SqlLine as dependency of phoenix project. Add to SqlLine classes to client jar only.
Move SqlLine to external_resources directory to avoid repackaging in generated jars
Fix PhoenixTestDriver so it can used from SQuirrel, fix various salting issues
Add option to row key order salted rows, modify scan plan to honor the new option
Tmp commit for INSERT INCREASE VALUES